l10n_server-2.x-dev/l10n_migrate/l10n_migrate.install

<?php

/**
 * Implements hook_install().
 */
function l10n_migrate_install():void {
  \Drupal::database()
    ->query("ALTER TABLE {users_field_data} MODIFY name varchar(60) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin");
}